1931 - 1940 1935 1938

1941 - 1950 1945 1946

1951 - 1960 1956

1961 - 1970 1963 1966 1967 1969 1970

1971 - 1980 1972 1973 1975 1976

1981 - 1990 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990

1991 - 2000 1991 1993 1994 1995 1996 1997 1998 1999 2000

2001 - 2010 2001 2002 2003 2005 2006 2008 2009 2010

2011 - ... 2011 2013